MicroPro 48-piece Microscope Set50x, 100x, 150x, 300x, and 600x magnificationsWith the GeoSafari MicroPro, young scientists can investigateeverything from cells to crystals! Perfect for individual or classroomuse, the glass eyepieces and power settings from 50x to 600x provideusers with superior precision viewing. The built-in light and rack andpinion focusing help deliver bright, clear images. The 48-piece kithas professionally prepared slides and everything users need to maketheir own specimen slides. Not a toy, but a scientific instrument, theGeoVision MicroPro includes high-quality components and features thatmake it appropriate for science learning at any age.  WARNING: CHOKING HAZARD - Small parts. Not for children under 3 yrs.